a{
    color: black;
}
.navbar{
 background-image: url(../image/nav1.png);
            /*background-size: 100% 100%;*/
            /*width: 100%;*/
            height: 120px;
            margin-bottom: 0px;
            width: 1920px;
            }
.nav_conter{
            width: 1000px;
            margin: 0px 500px;;
        }
        .nav-left{
            width: 305px;
            height: 85px;
            margin-top: 36px;
        }
        .font_Z{
            font-size: 36px;
        }
        .font_z{
            font-size: 18px;
        }
.nav_bottom{
    height: 30px;
    background-color: #0F0F0F;
}
.content_one{
    width: 1920px;
    height: 500px;
}
.content_oneimg{
    width: 950px;
   
}
.content_oneA{
    position: absolute;
}
.content_oneB{
    width: 1920px;
    position: absolute;
    margin-top: 168px;
}
.conter-A{
    width: 180px;
    position: absolute;
    margin-top: -240px;
    margin-left: 300px;
}
.span_bo{
    width: 80px;
    border: 1px solid black;
    padding: 5px;
}
.font_c{
    color: #FFFFFF;
}
.conter-B{
    width: 300px;
    margin-top: -240px;
    margin-left: 500px;
}
.span_do{
    width: 80px;
    border: 1px solid #FFFFFF;
    padding: 5px;
}
.contentone{
    width: 344px;
    margin-top: -341px;
}
.c{
    font-size: 20.67px;
    color: red;
}
.font_m{
    font-size: 12px;
}
.tu{
    width: 344px;
    height: 250px;
    margin-bottom: 10px;
}